Marine engine cover



FIG. 1 is a perspective view illustrating the marine engine cover of my design shown installed atop a marine engine;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a front elevation view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a marine engine cover, as shown and described. 